Enjoy a deep sleep with the Horizon Adventurer 1000 Pocket Memory Mattress. Its 1000 pocket springs tailor support to your body, while a 3cm graphite-infused memory foam layer keeps you cool and comfy—no sweaty nights here. Medium-firm, it’s got your back with ortho support and no partner wobble. Hypoallergenic and reinforced for extra space, it’s single-sided—rotate it every few months. Rolls out fast from a box and comes with a 5-year guarantee, plus a Which? Best Buy nod from November 2021!.